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Finding the Fourth Proportional to 57,384.95, 86,212.76 and 33,753.06

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Solution

The fourth proportional to 57,384.95, 86,212.76 and 33,753.06 is: 50,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,384.95 : 86,212.76 = 33,753.06 : x
  2. Step 2: Convert to fraction form
    57,384.95/86,212.76 = 33,753.06/x
  3. Step 3: Cross multiply
    57,384.95x = 86,212.76 × 33,753.06
  4. Step 4: Simplify right side
    57,384.95x = 2,909,944,292.28
  5. Step 5: Solve for x
    x = 2,909,944,292.28/57,384.95
  6. Step 6: Final answer
    x = 50,709.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.